TABLE 1.
Main patient characteristics at intensive care unit admission
| Variable | Training set | Validation set |
|---|---|---|
| (n = 4050) | (n = 1996) | |
| Age, years, n (%) | ||
| <60 | 1565 (39) | 782 (39) |
| [60, 75] | 1333 (33) | 682 (34) |
| 75 | 1152 (28) | 532 (27) |
| Sex, n (%) | ||
| Male | 2491 (61) | 1272 (64) |
| Female | 1559 (39) | 726 (36) |
| Comorbidities, n (%) | ||
| 0 | 1988 (49) | 985 (49) |
| 1 | 1340 (33) | 682 (34) |
| >1 | 722 (18) | 329 (17) |
| Admission SOFA, median [Q1–Q3] | 6 [4–9] | 6 [4–9] |
| 30‐day mortality, n (%) | 781 (19) | 362 (18) |
| 30‐day discharge, n (%) | 2921 (72) | 1426 (71) |
Abbreviation: SOFA, Sequential Organ Failure Assessment.